My project helps visually challenged people to walk without crashing into walls and obstacles. This help them to live freely

Just before creating my next tutorial, which will be using a PIR sensor, I thought I might create a separate tutorial for PIR Sensor.

I found limited documentation on the usage of a color sensor I recently purchased, so here is my attempt to make it more simple.

Ultra low-cost flow-through photometer for on-line measurements of bacterial density.

Connect Infrared Obstacle Avoidance Sensor to Arduino Nano and program it to detect obstacles - Quick and Easy!

Connect multiple OneWire Maxim DS1820/DS18S20/DS18B20 thermometers to Arduino, and program it to measure the temperatures - Quick and Easy!

Connect Rotary Encoder to Arduino, and program it - quick and easy!

An experiment of using SEFR, a fast and simple tiny machine learning classifier to detect colors on an Arduino Nano 3.0 (ATmega328P).

The HMC5883is a digital compass designed for low-field magnetic sensing. This device has a wide magnetic field range of +/-8 Oe.

CPS120 is a high quality and low cost capacitive absolute pressure sensor with fully compensated output.

Have you ever had to use sensors that use the I2C protocol, but realize that they all have the same, non-changeable address?

The cheapest amplifier on the market to assemble DIY seismometer projects

HYT939 is a digital humidity sensor which works on I2C communication protocol.

The E18-D80NK is an advanced low-cost IR Proximity Sensor with an obstacle detection range of 3 cm to 80 cm.

STS21 Digital Temperature Sensor offers superior performance and a space saving footprint.

BMG160 is basically a 16-bit, digital, tri-axial, gyroscope sensor which can measure angular rates.

SHT25 I2C Humidity and Temperature Sensor ±1.8%RH ±0.2°C I2C Mini Module.

BMA250 is a small, thin, ultralow power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16 g.

MCP9808 is a highly accurate digital temperature sensor ±0.5°C I2C mini module.

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